Restructuring and Other - Schedule of Restructuring and Other and Other Unusual Charges or Benefits (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 151.2	$ 6.4	$ 290.3	$ 189.8
Contract termination fees
Restructuring Cost and Reserve [Line Items]
Restructuring charges	147.2	0.0	147.2	0.0
Content impairments (recoveries)
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1.7	(0.3)	129.8	167.4
Transaction and other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1.7	4.5	6.8	18.5
Severance
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0.5	0.0	6.4	1.5
Share-based compensation
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 0.1	$ 2.2	$ 0.1	$ 2.4